/Engine/Source/Runtime/Engine/Classes/Engine/PendingNetGame.h
Setup the connection for encryption with a given key All future packets are expected to be encrypted
void FinalizeEncryptedConnection ( const [FEncryptionKeyResponse](API\Runtime\Engine\Engine\FEncryptionKeyResponse) & Response, [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< [UNetConnection](API\Runtime\Engine\Engine\UNetConnection) > WeakConnection )